题目列表(包括答案和解析)
In warm water.there is a kind of sea mammal(哺乳动物)called dugongs.They live a comfortable life.They have no natural enemies(敌人)and never fight(打架).Dugongs lived in the oceans during the age of dinosaurs(恐龙).They have funny faces and no front teeth! Their teeth grow only along the sides of their mouths.Some think they are ugly.Only their mothers may love them,but as we know, they are important and helpful for us!
Dugongs only eat plants.They swim slowly so that they can eat the sea grass They often dig down into the sand and eat sea-grass roots.Dugongs relax during the day.During most of the night,they eat.They eat noisily and you can often hear the sounds of their chomping teeth.
Dugongs give birth to only one baby every three to five years.They take the newborn baby to the surface of the water so that the baby can take its first breath of air.It stays with its mother for two years and sometimes rests on its mother’s back.Dugongs feed their young with milk.
Dugongs can live for about 60 years,but every year more and more people move to the warm coasts and rivers which are also the homes to dugongs.
1.Which is the best title for this article?
A.The Kind Animal B.Dugongs’Lives
C.Dugongs Are Nice D.Mother Loves Dugongs
2.The underlined words“chomping teeth”mean ________.
A.washing teeth B.changing teeth
C.eating loudly D.opening the mouth
3.Which of the following is TRUE?
A.Dugong babies live with their mother when they are 3 years old.
B.Dugongs eat animals and plants.
C.Dugongs give birth every year.
D.Dugongs can live for as long as 60 years.
4.Why do dugongs have fewer places to live and feed? Because ________.
A.they live a comfortable life
B.they only eat plants
C.more and more people move to the warm coasts and rivers which are also the homes to dugongs
D.they give birth to many babies every year.
A close friend of mine lives with six hundred wild animals on the Greek Island of Kyklos. Ever since he left school (where I first knew him) he has traveled all over the world collecting animals for his very own zoo. He hoped to collect at least two examples of every sort of animal on his land, like Noah before the Great Flood. But the flood that my friend was afraid of, was a flood not of water, but of people. I expect you have heard of my friend: he writes books about his travels, and about the wild and wonderful animals that he collects. The money from the books helps to pay for all the food that these animals eat.
My friend told me that when he was out looking for water last week (there is not enough water on the island, though there is plenty all around it) , he found oil. He needs money for his travels, and for his zoo, and a little oil would buy enough water for a lifetime; but he knows that if tells anybody else about it, it will be the end of his zoo, and his life's work. So, if I know my friend, he will not tell anybody (but you and me) about what he found because oil and water do not mix.
Choose the best answer:
(1) My friend lives ________.
[ ]
A.on an island in the middle of a great flood
B.at the school that we used to go to, on Kyklos
C.on a Greek island with six hundred animals
D.all over the world; he is always traveling
(2) Since he left school ________.
[ ]
A.he has collected books about every sort of animal
B.he has lived in zoos all over the world
C.he has lived all the time on Greek island
D.he has traveled all over the world collecting animals
(3) The flood of which my friend was afraid was ________.
[ ]
A.a flood of too many people
B.a great flood of water
C.a flood of too many animals on his island
D.a flood of oil
(4) He pays for the food the animals eat by ________.
[ ]
A.collecting two examples of every animal
B.travelingall over the world
C.writing books
D.selling the oil on his island
(5) Last week my friend ________.
[ ]
A.found enough water on his island to last a life-time
B.was looking for water, and found oil
C.found plenty of oil all round the island
D.went out looking for oil to pay for his travels
(6) If he tells anybody about the oil ________.
[ ]
A.it will be the end of his life's work
B.he will have as many animals as he needs
C.he will not write any more books
D.people will no longer come and visit his zoo
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All living things on the earth need other living things to live. Nothing lives alone. Most animals must live in a group, and even a plant grows close together with others of the same kind. Sometimes one living thing kills another, one eats and the other is eaten. Each kind of life eats another kind of life in order to live, and together they form a food chain(食物链).Some food chains are simple, while others are not. But all food chains begin with the sun, and all food chains become broken up if one of the links disappears.
All life needs sunlight to live on. But only plants can use sunlight directly. Plants are“factories”.They make food from sunlight, water and things in the soil and air.
Plants feed all other living things. Animals can only use the sun’s energy after it has been changed into food by plants. Some animals feed directly on plants, others eat smaller animals. Meat-eating animals are only eating plants indirectly.
What about human beings? We are members of many food chains. We eat wheat, rice, vegetables, fruits and so on. We also eat meat and drink milk. But men often break up the food chains. They kill wild animals. They also make rivers, lakes and seas dirty. When these rivers, lakes and seas are polluted, the fish in them cannot be eaten. If men eat the fish, they will get strange diseases.
Each form of life is linked to all others. Breaking the links puts all life in danger.
【小题1】How does every living thing on the earth live?
A. Each plant can live alone.
B. Each animal can live alone.
C. Every living thing on the earth cannot live without others.
【小题2】Which living things can use the sun’s energy directly?
A. Animals B. Plants C. All living things
【小题3】Who often break up the food chains?
A. Human beings
B. Animals
C. Plant and animals
【小题4】 Which of the following do you think is the best title of this passage?
A. Animals B. Plants C. Food Chains
【小题5】Where can you probably find this passage?
A. In a news report.
B. In your textbook.
C. In a business magazine.
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